Nostr-PHP 1.6.0 release
https://github.com/nostrver-se/nostr-php/releases/tag/1.6.0

* NIP-04 encrypted direct messages
* NIP-44 encrypted payloads
* Event object verification
Full changelog: https://github.com/nostrver-se/nostr-php/compare/1.5.4...1.6.0

Thanks @Djuri for your pull requests for integrating NIP-04, NIP-44 and event object verification.